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5284792-UIM-A-0317

20

Johnson Controls Unitary Products

SECTION X: WIRING DIAGRAM

FIGURE 15:

Wiring Diagram - 2 Ton

FAULT

NO LAMP
YELLOW
YELLOW

YELLOW
YELLOW

RED

N/A

2 sec ON/2 sec OFF
.1 sec ON/.1sec OFF

.5 sec ON/.5 sec OFF

ON
ON

HIGH VOLTAGE FIELD WIRING

LOW VOLTAGE FIELD WIRING

LOW VOLTAGE FACTORY WIRING

HIGH VOLTAGE FACTORY WIRING

DANGER - SHOCK HAZARD

TURN OFF ELECTRICAL POWER BEFORE
SERVICING TO PREVENT POSSIBLE
DAMAGE TO THE EQUIPMENT AND
POSSIBLE PERSONAL INJURY.

WAIT 2 MINUTES - ELECTRICAL COMPONENTS
MAY HOLD CHARGE. DO NOT REMOVE THIS
COVER OR SERVICE THIS FOR 2 MINUTES
AFTER THE POWER HAS BEEN REMOVED.

CAUTION

TO PREVENT ELECTRICAL SHOCK OPEN
REMOTE DISCONNECT SO ELECTRICAL
SUPPLY TO AC UNIT IS SHUT OFF.

WIRING MUST CONFORM TO
NATIONAL AND LOCAL CODES.

IF ANY OF THE ORIGINAL WIRE SUPPLIED
WITH THIS UNIT MUST BE REPLACED, IT
MUST BE REPLACED WITH 105 C
THERMOPLASTIC OR ITS EQUIVALENT.

1

2

AMB - AMBIENT TEMP SENSOR
DPT - DISCHARGE PRESSURE
DR - DEMAND RESPONSE
DS - DISPLAY SWITCH
DTS - DISCHARGE TEMP SENSOR
HPS - HIGH PRESS SWITCH
LTS - LIQUID TEMP SENSOR
SPT - SUCTION PRESSURE
STS - SUCTION TEMP SENSOR
TB - TERMINAL BLOCK
XFMR - TRANSFORMER

BLK - BLACK
BLU - BLUE
BLU/WHT - BLUE w/WHITE STRIPE
BRN - BROWN
GRN - GREEN
PUR - PURPLE
RED - RED
RED/WHT - RED w/WHITE STRIPE
WHT - WHITE
YEL - YELLOW
YEL/PINK - YELLOW w/PINK STRIPE

5295812-UWD-C-0217

FERRITE RING/CHOKE

DS

LTS

AMB

CTS

R

C

P6

P7

P8

P10

P2

P3

P1

P5

P4

A

B

C

A

R

B

C

G

S

V

G

S

V

DTS

DPT

SPT

STS

RV

DR

C

O

Y

OD FAN

RS485

COMM

EEV

COMM

RS485 COMM

3A

COMPRESSOR

INVERTER

DRIVE

U

U(S)

V(C)

W(R)

V

W

L1

L1

L2

L2

GND

DPT

SPT

AMB

STS

LTS

DTS

BLU/WHT

BLU/WHT

BLU/WHT

RED/WHT

RED/WHT

WHT

BLK

RED/WHT

WHT

BLK

BLK

BLK

BLK

RED

YEL

YEL

BRN

WHT

BLK

DRAIN WIRE

RED

RED

WHT

BLU

GRN

BLK

RED

GRN

WHT

BLK

BLK

BLK

BRN

BLK

BLK

PUR

PUR

YEL/PINK

YEL/PINK

T

T

T

T

HPS

REACTOR

230V

24V SEC

40VA

208V

XFMR

1

2

3

4

5

6

TB

GND

DS

RS485

COMM

HPS

CONV.

INPUTS

OD FAN

CONTROLLER

OD FAN
MOTOR

SEE UNIT

INSTALLATION

INSTRUCTIONS FOR

LOW VOLTAGE

TERMINATIONS

LEGEND

COLOR CODES

USE COPPER

CONDUCTORS

ONLY

208-230 VAC 60 Hz

1 PHASE SUPPLY

VS CONTROL

LED DIAGNOSTIC CODES

No power to the control
System has 24 VAC present No Active Call
Active Call; Active ASCD Timer
Active Call; Successful Communications
Controlled Event; Active Foldback Condition
Controlled Fault; Active Fault Condition

LAMP

COLOR

LAMP

CONDITION

DESCRIPTION

VS

CONTROL

BOARD

STATUS

H2

H1

WHT

BLK

GRN

PWM

TEST PAD

+

-

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Summary of Contents for YXV series

Page 1: ...minal sized matching indoor coil plus 15 feet of field supplied lines SECTION II SAFETY This is a safety alert symbol When you see this symbol on labels or in manuals be alert to the potential for personal injury Understand and pay particular attention to the signal words DANGER WARNING or CAUTION DANGER indicates an imminently hazardous situation which if not avoided will result in death or serio...

Page 2: ...5 F or below the preferred method is to weigh in the charge For charging or checking the system charge at 55 F or below refer to the Optional Cold Weather Charging procedures near the end of SECTION VI SYSTEM CHARGE There is an Optional Cold Weather Charging accessory kit to prevent the outdoor unit from taking in cold air below 55 F The kit part number can be found in the list of accessory kits o...

Page 3: ...DFH XQGHU FHQWHU RI FRPSUHVVRU 127 QVXUH DGHTXDWH ZDOO VXSSRUW 87 21 6SHFLDO FDUH PXVW EH WDNHQ WR DYRLG UHFLUFXODWLRQ RI GLVFKDUJH DLU WKURXJK FRQGHQVHU FRLO FIGURE 2 Alternative Installation Clearances 0 1 080 5 1 7 1 81 76 127 OHDUDQFH EHWZHHQ WZR XQLWV PD EH UHGXFHG WR PLQLPXP SURYLGHG WKH VHUYLFH DFFHVV FOHDUDQFH LV LQFUHDVHG WR PLQLPXP DQG WKH FOHDUDQFH RQ HDFK UHPDLQLQJ VLGH LV PDLQWDLQHG D...

Page 4: ...ust be capable of sup porting the total weight of the unit including a pad lintels rails etc which should be used to minimize the transmission of sound or vibra tion into the conditioned space WALL MOUNT INSTALLATION Care must be taken to mount the outdoor unit on a solid base that is sloped to shed water secure from settlement and is isolated from the structural foundation or walls to prevent sou...

Page 5: ...n Figure 5 Also protect all painted surfaces insulation and plastic base during brazing After braz ing cool joint with wet rag Valve can be opened by removing the service valve cap and fully insert ing a hex wrench into the stem and backing out counter clockwise until valve stem just touches the chamfered retaining wall Connect the refrigerant lines using the following procedure 1 Remove the cap a...

Page 6: ...the valve to the vacuum pump suction to isolate the pump and hold the system under vacuum Watch the micron gauge for a few minutes If the micron gauge indicates a steady and continuous rise it s an indication of a leak If the gauge shows a rise then levels off after a few minutes and remains fairly constant it s an indication that the system is leak free but still contains moisture and may require...

Page 7: ...trol wiring NEC Class 2 from the outdoor unit to the indoor unit and thermostat FIGURE 6 Outdoor Unit Control Box OUTDOOR DISPLAY A0770 001 ACCESS PANEL SWITCH OUTDOOR REACTOR CHOKE OUTDOOR FILTER CONTROLLER May not be used on all units LOW VOLTAGE FIELD WIRING BOX AMBIENT TEMPERATURE SENSOR HIGH VOLTAGE FIELD WIRING HIGH VOLTAGE CONDUIT PLATE GROUND LUG FIELD WIRING TERMINAL BLOCK INVERTER DRIVE ...

Page 8: ... the one that best reflects the out door environment where the conditioned space is located This selec tion adjusts the how the indoor blower and the compressor work together to manage temperature and humidity Additional fine tune adjustments are available using the HxTM thermostat Refer to the HxTM thermostat manual for additional detail The proper airflow is determined by the main outdoor contro...

Page 9: ...HARGE will display on the banner with the appropriate response dependent upon the OEM s predeter mined values user may press Select when the banner displays ADD CHARGE or REMOVE CHARGE The display will indicate ACCEPTED for 5 seconds and return to the example defined in Step 1 However if the system does meet the charge requirements defined by the OEM the outdoor display will indicate the below tex...

Page 10: ...recent system fault and or event that is stored in memory The second system fault will not be displayed but will be stored in memory For example see Table 4 Status Code Display The main control board contains 2 LED s for status and fault display as shown Figure 10 The control will provide a status code indicating the state of the system using the Yellow LED as detailed in Table 5 The Red LED indic...

Page 11: ...s defined in 1 3 in the banner The control will indicate ASCD TIMER ACTIVE and display it as the highest priority over all of the below defined active modes if the ASCD Timer is currently active A Will ONLY Display the Active Condition ASCD TIMER ACTIVE Only present when the ASCD Timer is Active DEMAND RESPONSE ACTIVE FACTORY RUN TEST ACTIVE REPAIR HEAT HP ACTIVE REPAIR COOL HP ACTIVE REPAIR COOL ...

Page 12: ...m shall display the previously saved configuration setting s Not the Default setting s unless the saved selection was in fact the default selection Operational Mode The system will display Inverter profile and revers ing valve dependent unit tonnage when the user selects Operational Mode AC TABLE 6 Outdoor Display Menu Structure MAIN LAYER SECOND LAYER THIRD LAYER BASE LAYER EQUIPMENT STATUS COMMA...

Page 13: ...INVERTER MODEL INSTALLATION ERROR HARD LOCKOUT Required Sensor or Switch Faults Outdoor ambient sensor failure short RED solid OUTDOOR AMBIENT SENSOR SHORT SOFT LOCKOUT Outdoor ambient sensor failure open RED solid OUTDOOR AMBIENT SENSOR OPEN SOFT LOCKOUT Coil sensor failure short not in lockout yet RED solid COIL TEMP SENSOR SHORT X Coil sensor failure short RED solid COIL TEMP SENSOR SHORT SOFT ...

Page 14: ... RED solid LOW SUCTION PRESSURE SOFT LOCKOUT X Low suction pressure RED solid LOW SUCTION PRESSURE HARD LOCKOUT X Wiring Related Faults W and O signal received in HP mode RED solid W O INPUTS HP MODE SOFT LOCKOUT Inverter Drive Faults Multiple Inverter Faults RED solid MULTIPLE INVERTER FAULTS SOFT LOCKOUT Control Events O signal received in AC mode Yellow solid O INPUT AC MODE W and O signal rece...

Page 15: ...ance RED solid COMPRESSOR PHASE CURRENT IMBALANCE INVERTER DRIVE Microelectronic Fault RED solid MICROELECTRONIC FAULT INVERTER DRIVE Power Module Temp Low or Sensor Open Fault RED solid POWER MODULE TEMP LOW SENSOR OPEN INVERTER DRIVE AC Input Current Foldback Timeout Yellow solid AC INPUT CURRENT FOLDBACK INVERTER DRIVE Power Module Temp High Yellow solid POWER MODULE HIGH TEMP INVERTER DRIVE PF...

Page 16: ... UIM A 0317 16 Johnson Controls Unitary Products FIGURE 12 2 Ton Inverter Drive LED Location FIGURE 13 3 4 Ton Inverter Drive LED Location FIGURE 14 5 Ton Inverter Drive LED Location OO V DUH EHQHDWK WKH SODWH ...

Page 17: ...ower before servicing Wait 2 minutes to ensure that drive capacitors are discharged before servicing Use compressor with grounded system only Molded electrical plug must be used for connection to compressor BURN HAZARD Failure to follow these warnings could result in serious personal injury or property damage Ensure that materials and wiring do not touch high temperature areas of the compressor Pe...

Page 18: ... side compressor side 2 Check the compressor motor windings Microelectronic fault EEPROM fault 1 Check the DC bus voltage 187VDC 2 Power cycle the drive 3 If problem persists replace the drive Power module temp low or sensor open fault Temperature sensing device on the drive are possibly defective If problem persists replace the drive DC Bus Voltage Low 1 Check the line voltage if it is 187VAC 2 C...

Page 19: ...ed for 5 sec onds a low suction pressure fault is recognized regardless of a bypass time SECTION IX INSTRUCTING THE OWNER Assist the owner with registering the unit warranty using the warranty card included with the unit or preferably online at www upgproductregistration com It is strongly recommended to com plete a startup sheet showing the critical readings of the unit at the time of commissioni...

Page 20: ...TEMP SENSOR TB TERMINAL BLOCK XFMR TRANSFORMER BLK BLACK BLU BLUE BLU WHT BLUE w WHITE STRIPE BRN BROWN GRN GREEN PUR PURPLE RED RED RED WHT RED w WHITE STRIPE WHT WHITE YEL YELLOW YEL PINK YELLOW w PINK STRIPE 5295812 UWD C 0217 FERRITE RING CHOKE DS LTS AMB CTS R C P6 P7 P8 P10 P2 P3 P1 P5 P4 A B C A R B C G S V G S V DTS DPT SPT STS RV DR C O Y OD FAN RS485 COMM EEV COMM RS485 COMM 3A COMPRESSO...

Page 21: ... WITH THIS UNIT MUST BE REPLACED IT MUST BE REPLACED WITH 105 C THERMOPLASTIC OR ITS EQUIVALENT 1 2 AMB AMBIENT TEMP SENSOR DPT DISCHARGE PRESSURE DR DEMAND RESPONSE DS DISPLAY SWITCH DTS DISCHARGE TEMP SENSOR HPS HIGH PRESS SWITCH LTS LIQUID TEMP SENSOR SPT SUCTION PRESSURE STS SUCTION TEMP SENSOR TB TERMINAL BLOCK XFMR TRANSFORMER BLK BLACK BLU BLUE BLU WHT BLUE w WHITE STRIPE BRN BROWN GRN GREE...

Page 22: ...5284792 UIM A 0317 22 Johnson Controls Unitary Products NOTES ...

Page 23: ...lts AC 230 volt AC Measured voltage L1 to L2 Total amperes L1 L2 Compressor amperes L1 L2 Measured voltage R and C outdoor unit control board Air Flow Setup Cooling Supply static inches of water column Supply air dry bulb temperature Return air dry bulb temperature Temperature drop A B C D Blower Type Set Up Outside air dry bulb temperature Return air wet bulb temperature Supply air wet bulb tempe...

Page 24: ...h the owner s manual Explain thermostat use and programming if applicable to owner Unit Operation and Cycle Test Operate the unit through continuous fan cycles from the thermostat noting and correcting any problems Operate the unit through cooling cycles from the thermostat noting and correcting any problems Job site has been cleaned indoor and outdoor debris removed from job site Tools have been ...

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